Custom Molded Products 1.5In NPT Flat Plug, Black

Designed for pool and spa professionals and DIY enthusiasts, the 1.5In NPT Flat Plug in Black from Custom Molded Products (CMP) is a reliable cap for standard 1.5" NPT openings. Built to integrate with CMP's expansive line of pool and spa fittings, this plug delivers a secure seal for unused lines, maintenance tasks, or winterization projects.

• Size & Thread: 1.5" NPT threaded flat plug to fit standard 1.5" NPT openings on pumps, valves, and piping
• Color: Black finish that blends with most pool/spa hardware
• Design & Profile: Flat, flush-seating plug minimizes snagging and maintains a clean piping exterior
• Brand & Compatibility: Part of Custom Molded Products (CMP); designed to pair with CMP pool and spa components for consistent performance
• Applications: Ideal for capping unused ports, testing lines, or temporarily sealing during service in pools, hot tubs, and filtration equipment
• Installation: 1.5" NPT fit; typically tightened with standard plumbing tools to ensure a secure seal

The CMP 1.5In NPT Flat Plug in Black provides a dependable solution to prevent leaks, block debris entry, and simplify maintenance workflows. Its black coloration and flush design help preserve the appearance of your installed plumbing while delivering a durable seal in wet environments typical of pool and spa systems. By choosing Custom Molded Products, you’re aligning with a trusted CMP brand standard that delivers consistency across parts, reducing replacement hassles and ensuring availability when you need a quick cap for your 1.5" NPT lines.